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Build Scalable and High-Performance Web Apps Using J2EE

  • J2EE is a technology that has always upgraded itself for more high-grade features. It provides a platform for developing and deploying high-performing Web-based enterprise applications

Why use J2ee to build high performance web apps

J2EE is one of the standard technologies in enterprise software development. This platform was initially created to reduce complexity by providing efficient tools to build, maintain and improve multi-tiered applications. With each new version, Java developers can enhance functionality and portability as well as the overall productivity for best performance. J2EE is short for Java to the Enterprise Edition, which is a standalone java environment used by the system or app developers for building and deploying a web-based application.  It is a platform that uses Java programming language for its reliability, security features, portability on cross-platform bases, easy implementation, continuously upgrading to match the technological needs.

Java has been developed from running one small applet to a web application, now it is utilised for the J2EE enterprise application development. These enterprise web applications can run on multiple servers and provide enterprise related support which means it can run applications developed in EJB. The developers’ preference for this technology hasn’t changed, and more than 66% of them declared that they would still choose Java despite recent adjustments. It is important to mention that the majority of developers are still using the earlier versions of J2EE. They are completely satisfied with the equipped features and don’t plan to migrate to other technology anytime soon. 

J2EE Technology

J2EE undoubtedly offers one of the most suitable platforms for distributed, multi-tiered and scalable applications. But the more important question is what makes it so suitable for such multi-tiered web applications?  The answer lies in the app logic of J2EE is fragmented into different components based on the functions that need to be carried out. Depending on the tier of the machine it is installed on, J2EE produces an environment to which the component belongs.

Understanding J2EE

J2EE is one of the platforms that help in developing as well as deploying enterprise applications.  It involves a host of services and the application programming interfaces along with protocols that improve the functionality of the system. It also helps to build the multi-tiered and web-based applications using the system conveniently. This platform ensures building some kind of web-based application that can be defined as a server-side application. It follows one architecture for providing the required infrastructure through a different set of developed services.

Components of J2EE applications

The client-tiers components usually run on the client machines while the web-tier components run on the J2EE server. Besides, all the business-tier components also run on the main server and the EIS or the Enterprise Information System-tier runs on the EIS server. Basically, J2EE is independent as well as functional software. It has been assembled into the existing form using related classes and files to communicate with other components.

  Following are the components of a J2EE application:

  • Enterprise Java Beans are the business components in the applications
  • Client applications and applets in them
  • JSP or Java Server Pages and servlets, technological, and web components
  • EIS, as well as the tool vendors, offer resource adapter components

Why do we need J2EE application development? 

This architecture is one of the popular architectures available currently in the industry. J2EE developers and experts in Java/J2EE technologies out there have a lot of opportunities for implementing their Java J2ee developer skills in the current industry. They are easily able to develop or build an application and include any kind of web or web service-related application commonly using the sun Java web application development and Java enterprise system technologies.

Enterprise JavaBeans Component Features

Primary components of the Enterprise JavaBeans are business code that includes the logic, taking care of the particular demands of the end-user. It also helps business domain functions such as banking, retail, finance and others. All these are managed competently in the business tier level by the application.  Usually, all business codes are confined within the enterprise JavaBeans that receive data from the numerous client programs. The data received are processed there and eventually sent to the enterprise information system tier for storage. With storing data, the Enterprise JavaBeans can also get data from the store when necessary, which it transfers back to the client programs.

J2EE is Not Solely Dependent on the Web

One of the appropriate questions for a user is if the Enterprise JavaBeans is dependent for functioning on the web alone or whether the application is only web-based? The answer to this is, it is not and it also depends on the type of applications required by the client. Therefore, J2EE could be either web-based or non-web-based. It can implement ways for the users to handle various tasks including the system or the application administration. The application has a Graphical User Interface that can be created from the Swing or the AWT APIs depending on the case. When a servlet runs in the web tier, the application can also build an HTTP connection with the same.

Heterogeneous environment

Any medium to a large-sized organisation will have a lot of servers/platforms in use in the company for example Windows, Linux, Solaris, AS400. JVMs are accessible to most platforms and java provides Write Once Run Anywhere. Consequently, the use of J2EE allows code reuse, skills consolidation, and more across the enterprise.

Security

Software development companies in India and around the world choose J2EE technology for web application development because they find Java to be extremely secure. Its several inbuilt security features like advanced authentication, cryptography and access control make it useful for web development. A developer could utilise these features that come bundled with Java API development like secure login mechanisms, digital signatures, cyphers, and creating custom security policy. 

Vendor neutrality and/or enterprise integration

An essential goal of Java and J2EE is to provide generic interfaces for both developers (using APIs) and service providers (using SPIs). It allows an enterprise to select and choose products as they see fit without worrying about vendor lock-in. Besides, integration between enterprise components is faster and easier.

Productivity

J2EE offers a feature-rich set of high-quality APIs (and some default/reference implementations). Developers can use APIs to reduce the time spent coding for J2EE web applications. For instance,  sending email from an application is time-consuming as a developer had to write a cut-down email client or integrate classes from a third party. But email support can now be connected using Java Mail in no time.

Future-proofing

Whenever there’s a requirement in the development/service provider community, Sun works in cooperation with suppliers of enterprise components to provide Java and J2EE APIs and implementations that support the request. With J2EE, an organisation can be certain that any developments within the industry will not only be available in J2EE but also in less time. For example,  support for web services was included in J2EE as soon as they were sure about demand in the community

Final Say

J2EE is highly used for developing any sort of web-based application with the help of common HTML pages, varieties of other applications, or Java applets. The two fundamental technologies which are mainly addressed by J2EE are JSP (Java Server Pages) and Servlet. Therefore it is your best option for the platform for Custom J2EE development of any kind of enterprise-level scalable and high- performance web application. J2EE provides services, APIs, and protocols that allow the development of multi-tiered web-based applications.

Evon technologies have decade-long and deep experience in modern J2EE architecture, Java front-end and backend frameworks, along with a design-centric approach to help you meet your enterprise and technology goals. We offer a broad domain of enterprise application services: from ERP, B2B and B2C Web Portals to Business Intelligence & Analytics, and CRM. Our extensive experience in J2EE based web and app development has led us through building scalable J2EE web apps, Enterprise Information Portals, Enterprise integration, etc. Get in touch with us to hire J2EE developers or email us at This email address is being protected from spambots. You need JavaScript enabled to view it. to know about how we are keeping up with the change in industry.

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